// 
// fork
// fork01.c
// 
// The MIT License
// 
// Copyright (c) 2009 sonson, sonson@Picture&Software
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>     /* pid_t */

int main(int argc, char *argv[]) {
	pid_t child_pid ;
	if( (child_pid=fork()) == 0 ) {
		char *argv[4];
		char *environ[] = { NULL };
		printf("child:  pid->%d, ppid->%d\n", getpid(), getppid() );
		execve( "../hoge/hoge", argv, environ );
		perror( "execve" );
		_exit( 1 );
	}
	else if( child_pid > 0 ) {
		printf("parent: pid->%d, ppid->%d, child pid->%d\n",getpid(), getppid(),child_pid );
	}
	else {
		perror("fork");
	}
	printf( "fork01 has finished.\n" );
	return 0;
}